Common Blue vs Eld's Deer

Polyommatus icarus compared with Rucervus eldii

Key Differences

• Common Blue is Least Concern while Eld's Deer is Endangered.

Taxonomic Classification

Rank	Common Blue	Eld's Deer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Artiodactyla (Even-toed Ungulates)
Family	Lycaenidae	Cervidae (Deer)
Genus	Polyommatus	Rucervus
Species	Polyommatus icarus	Rucervus eldii

Evolutionary Relationship

Common Blue and Eld's Deer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Blue

LC — Least Concern

Eld's Deer

EN — Endangered

Physical Characteristics

Attribute	Common Blue	Eld's Deer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

Eld's Deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Blue

Common Blue (Polyommatus icarus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.